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Female goldfish spawn (discharge) eggs into the water, encouraged by male goldfish who simultaneously discharge sperm which externally fertilizes the eggs Within two or three days, the vulnerable goldfish eggs hatch into larvae, and rapidly develop into fry Goldfish. Goldfish, like all cyprinids, are egg-layers. They usually start breeding ...
Egg-fish goldfish Shukin; The Lionchu or lionhead-ranchu is a goldfish that has resulted from crossbreeding lionheads and ranchus. [39] [40] The egg-fish goldfish is a goldfish that lacks a dorsal fin and has a pronounced egg-shaped body. [41] [42] The Shukin is a Ranchu-like goldfish developed from Ranchus and Orandas at the end of the 19th ...
A pregnant Southern platyfish. Pregnancy has been traditionally defined as the period of time eggs are incubated in the body after the egg-sperm union. [1] Although the term often refers to placental mammals, it has also been used in the titles of many international, peer-reviewed, scientific articles on fish.
Viviparous fish are fish that give birth to live young, the eggs develop whilst receiving nutrition from the parent. See also:Category:Ovoviviparous fish - fish which give birth to live young which do not receive nourishment from the parent whilst in the womb.
Livebearers are fish that retain their eggs inside the body and give birth to live, free-swimming young. They are especially prized by aquarium owners. They are especially prized by aquarium owners. Among aquarium fish, livebearers are nearly all members of the family Poeciliidae and include: guppies , mollies , platies and swordtails .
The eggs will then stick to any available surface. It is best to remove the eggs to a separate aquarium, as the adults are likely to eat them. When the eggs hatch into fry, they will need to be fed very small food such as hatched brine shrimp or a ready-made fry food. As they grow bigger, they can eat finely crumbled fish food.
This makes the species even more unique, as PLOS One said, because other frogs that skip the egg step typically give birth to froglets, or baby frogs, but these frogs still give birth to tadpoles.
Nymph goldfish - It is similar to the fantail, except they have a single caudal fin and anal fin. Considered a byproduct of the breeding process due to recessive genes handed down from fantail or veiltail parents. Tamasaba goldfish (or Sabao goldfish) - It is similar to the ryukin, except they have a single caudal fin and anal fin. A rare type ...